package org.example.controller;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import lombok.extern.slf4j.Slf4j;
import org.example.common.BaseContext;
import org.example.common.R;
import org.example.entity.ShoppingCart;
import org.example.filter.LoginCheckFilter;
import org.example.service.ShoppingCartService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.time.LocalDateTime;
import java.util.List;

@Slf4j
@RestController
@RequestMapping("/shoppingCart")
public class ShoppingCarController {

    @Autowired
    private ShoppingCartService shoppingCartService;

    @PostMapping("/add")
    public R<ShoppingCart> add(@RequestBody ShoppingCart shoppingCart)
    {
        log.info("购物车数据：{}",shoppingCart);
        Long currentId= BaseContext.getCurrentId();
        shoppingCart.setUserId(currentId);

        Long dishId = shoppingCart.getDishId();
        LambdaQueryWrapper<ShoppingCart> queryWrapper = new LambdaQueryWrapper<>();

        if(dishId !=null)
        {
            queryWrapper.eq(ShoppingCart::getDishId,dishId) ;
        }else {
            queryWrapper.eq(ShoppingCart::getSetmealId,shoppingCart.getSetmealId());
        }
        ShoppingCart cartServiceOne =  shoppingCartService.getOne(queryWrapper);
        if(cartServiceOne !=null){
            Integer number =    cartServiceOne.getNumber();
            cartServiceOne.setNumber(number+1);
            shoppingCartService.updateById(cartServiceOne);
        }else {
            shoppingCart.setNumber(1);
            shoppingCart.setCreateTime(LocalDateTime.now());
            shoppingCartService.save(shoppingCart);
            cartServiceOne = shoppingCart;
        }


        return  R.success(cartServiceOne);
    }
   @GetMapping("/list")
    public R<List<ShoppingCart>>  list(){
        log.info("查看购物车");

        LambdaQueryWrapper<ShoppingCart>  queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(ShoppingCart::getUserId,BaseContext.getCurrentId());
        queryWrapper.orderByAsc(ShoppingCart::getCreateTime);

        List<ShoppingCart> list =shoppingCartService.list(queryWrapper);
        return R.success(list);
    }

    @DeleteMapping("/clean")
    public R<String>  clean(){
        log.info("查看购物车");

        LambdaQueryWrapper<ShoppingCart>  queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(ShoppingCart::getUserId,BaseContext.getCurrentId());

        shoppingCartService.remove(queryWrapper);


      return R.success("清空购物车成功");



    }

}
